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单词 phong
释义

Phongn.

Brit. /fɒŋ/, U.S. /fɔŋ/, /fɑŋ/
Origin: From a proper name. Etymon: proper name Phong.
Etymology: < the name of Bui Trong-Phong, Vietnamese computer scientist (d. 1998), who devised the model and algorithm (1973 in a doctoral thesis of the University of Utah; published in 1975 in Communications ACM 18 311).
Computing.
Designating or relating to a model of illumination and a method for interpolation of the illumination data for objects represented in computer graphics, which may be applied (or approximated) to render high quality three-dimensional images; esp. in Phong shading.In this model the diffuse, specular, and ambient aspects of incident light can be taken into account separately for each constituent pixel.
ΚΠ
1975 2nd USA–Japan Computer Conf. Proc. (AFIPS) 475 Gouraud and then Phong have produced vast improvements over earlier faceted representations of curved surfaces by using shading techniques to conceal the facets... In addition, a method exploiting both Phong and Gouraud shading is offered.
1985 PC Week 30 July 6/1 PictureMaker offers the following enhancements over its previous version: improved anti-aliasing.., texture mapping, phong shading..and metamorphosis.
1994 Computer Bull. Sept. 11/1 The diffuse reflection is calculated by Lambert's Law and the sum of diffuse and specular components is based on the Phong illumination model.
2004 Training & Simulation Jrnl. (Nexis) 23 June 1 Simple things like sun shading progressed from flat polygonal shading to Gouraud and finally Phong shading at real-time speeds.
This is a new entry (OED Third Edition, March 2006; most recently modified version published online March 2022).
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n.1975
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